Home / 1,945,477.13-2,665,291.23-1,872,725.40

Finding the Fourth Proportional to 1,945,477.13, 2,665,291.23 and 1,872,725.40

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Solution

The fourth proportional to 1,945,477.13, 2,665,291.23 and 1,872,725.40 is: 2,565,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,477.13 : 2,665,291.23 = 1,872,725.40 : x
  2. Step 2: Convert to fraction form
    1,945,477.13/2,665,291.23 = 1,872,725.40/x
  3. Step 3: Cross multiply
    1,945,477.13x = 2,665,291.23 × 1,872,725.40
  4. Step 4: Simplify right side
    1,945,477.13x = 4,991,358,584,818.24
  5. Step 5: Solve for x
    x = 4,991,358,584,818.24/1,945,477.13
  6. Step 6: Final answer
    x = 2,565,621.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.